Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6808855 | Process for producing toner | Yasukazu Ayaki, Yayoi Tazawa | 2004-10-26 |
| 6790576 | Dispersing agent for pigment, pigment-dispersion composition, toner, and toner production process | Norikazu Fujimoto | 2004-09-14 |
| 6689525 | Dispersing agent for pigment, pigment-dispersion composition, toner, and toner production process | — | 2004-02-10 |